documentation: add odt_level params and fix some sentences
documentation: add odt_level params and fix some sentences

antoine-de/navitia,TeXitoi/navitia,xlqian/navitia,thiphariel/navitia,kadhikari/navitia,djludo/navitia,Tisseo/navitia,djludo/navitia,datanel/navitia,antoine-de/navitia,xlqian/navitia,prhod/navitia,prhod/navitia,francois-vincent/navitia,ballouche/navitia,datanel/navitia,TeXitoi/navitia,kinnou02/navitia,pbougue/navitia,kadhikari/navitia,prhod/navitia,datanel/navitia,TeXitoi/navitia,kadhikari/navitia,thiphariel/navitia,Tisseo/navitia,patochectp/navitia,patochectp/navitia,pbougue/navitia,lrocheWB/navitia,fueghan/navitia,djludo/navitia,antoine-de/navitia,ballouche/navitia,francois-vincent/navitia,VincentCATILLON/navitia,fueghan/navitia,Tisseo/navitia,francois-vincent/navitia,ballouche/navitia,frodrigo/navitia,xlqian/navitia,xlqian/navitia,VincentCATILLON/navitia,antoine-de/navitia,lrocheWB/navitia,frodrigo/navitia,CanalTP/navitia,Tisseo/navitia,fueghan/navitia,patochectp/navitia,VincentCATILLON/navitia,kinnou02/navitia,patochectp/navitia,is06/navitia,is06/navitia,francois-vincent/navitia,is06/navitia,frodrigo/navitia,TeXitoi/navitia,thiphariel/navitia,Tisseo/navitia,thiphariel/navitia,kadhikari/navitia,ballouche/navitia,CanalTP/navitia,VincentCATILLON/navitia,prhod/navitia,kinnou02/navitia,is06/navitia,fueghan/navitia,CanalTP/navitia,djludo/navitia,frodrigo/navitia,CanalTP/navitia,datanel/navitia,lrocheWB/navitia,xlqian/navitia,pbougue/navitia,CanalTP/navitia,pbougue/navitia,lrocheWB/navitia,kinnou02/navitia